/* reads digital port */
void usbDIn_USBTEMP(int fd, __u8* value)
{
PMD_SendOutputReport(fd, DIN, 0, 0, FS_DELAY);
PMD_GetInputReport(fd, DIN, value, 1, FS_DELAY);
PMD_GetInputReport(fd, DIN, value, 1, FS_DELAY);
return;
}
int usbGetItem_USBTEMP(HIDInterface* hid, __u8 item, __u8 subitem, void* value)
{
__u8 cmd[5]; // The returning data could be one byte or a 4 byte float.
struct t_getItem {
__u8 reportID;
__u8 item;
__u8 subitem;
} getItem;
if ( item > 3 ) {
printf("Error: usbGetItem_USBTEMP Item = %d too large.\n", item);
}
getItem.reportID = GET_ITEM;
getItem.item = item;
getItem.subitem = subitem;
PMD_SendOutputReport(hid, 0, (__u8 *) &getItem, sizeof(getItem), FS_DELAY);
switch (subitem) {
case SENSOR_TYPE:
case CONNECTION_TYPE:
case FILTER_RATE:
case EXCITATION:
case CH_0_TC:
case CH_1_TC:
case CH_0_GAIN:
case CH_1_GAIN:
PMD_GetInputReport(hid, 0, cmd, 2, FS_DELAY);
memcpy(value, &cmd[1], 1); // one byte value
return 1;
break;
case VREF:
case I_value_0:
case I_value_1:
case I_value_2:
case V_value_0:
case V_value_1:
case V_value_2:
case CH_0_COEF_0:
case CH_1_COEF_0:
case CH_0_COEF_1:
case CH_1_COEF_1:
case CH_0_COEF_2:
case CH_1_COEF_2:
case CH_0_COEF_3:
case CH_1_COEF_3:
PMD_GetInputReport(hid, 0, cmd, 5, FS_DELAY);
memcpy(value, &cmd[1], 4);
return 4;
break;
default:
printf("Error usbGetItem_USBTEMP: subitem = %#x unknown\n", subitem);
return -1;
}
return 0;
}
int usbReadCode_USBTEMP(HIDInterface* hid, __u32 address, __u8 count, __u8 data[])
{
struct t_readCode {
__u8 reportID;
__u8 address[3];
__u8 count;
} readCode;
struct t_readCodeI {
__u8 reportID;
__u8 data[62];
} readCodeI;
int bRead; // bytes read
if ( count > 62 ) count = 62;
readCode.reportID = READ_CODE;
memcpy(readCode.address, &address, 3); // 24 bit address
readCode.count = count;
PMD_SendOutputReport(hid, 0, (__u8 *) &readCode, sizeof(readCode), FS_DELAY);
bRead = PMD_GetInputReport(hid, 0, (__u8 *) &readCodeI, count+1, FS_DELAY);
memcpy(data, readCodeI.data, count);
return bRead;
}
void usbReadMemory_USBTEMP(HIDInterface* hid, __u16 address, __u8 type, __u8 count, __u8 *memory)
{
struct t_readMemory {
__u8 reportID;
__u16 address;
__u8 type; // 0 = main microcontroller 1 = isolated microcontroller
__u8 count;
} readMemory;
struct t_readMemoryI {
__u8 reportID;
__u8 memory[62];
} readMemoryI;
if ( count > 62 && type == 0) count = 62; // 62 bytes max for main microcontroller
if ( count > 60 && type == 1) count = 60; // 60 bytes max for isolated microcontroller
readMemory.reportID = MEM_READ;
readMemory.type = type;
readMemory.address = address;
readMemory.count = count;
PMD_SendOutputReport(hid, 0, (__u8 *) &readMemory, sizeof(readMemory), FS_DELAY);
PMD_GetInputReport(hid, 0, (__u8 *) &readMemoryI, count+1, FS_DELAY);
memcpy(memory, readMemoryI.memory, count);
}
void usbTinScan_USBTEMP(HIDInterface* hid, __u8 start_chan, __u8 end_chan, __u8 units, float value[])
{
int nchan;
struct t_tinScan {
__u8 reportID;
__u8 start_chan; // the first channel to return 0-7
__u8 end_chan; // the last channel to return 0-7
__u8 units; // 0 - temperature, 1 - raw measurement
} tinScan;
struct t_tinScan_val {
__u8 reportID;
__u8 value[32]; // maximum number of measurements
} tinScan_val;
tinScan.reportID = TIN_SCAN;
tinScan.start_chan = start_chan;
tinScan.end_chan = end_chan;
tinScan.units = units;
nchan = (end_chan - start_chan + 1);
PMD_SendOutputReport(hid, 0, (__u8*) &tinScan, sizeof(tinScan), FS_DELAY);
PMD_GetInputReport(hid, 0, (__u8*) &tinScan_val, nchan*sizeof(float)+1, FS_DELAY);
memcpy(value, tinScan_val.value, nchan*sizeof(float));
}
void usbTin_USBTEMP(HIDInterface* hid, __u8 channel, __u8 units, float *value)
{
/*
This command reads the value from the specified input channel. The return
value is a 32-bit floating point value in the units configured fro the
channel. CJC readings will always be in Celsius.
*/
struct t_tin {
__u8 reportID;
__u8 channel; // 0 - 7
__u8 units; // 0 - temperature, 1 - raw measurement
} tin;
struct t_tin_val {
__u8 reportID;
__u8 value[4];
} tin_val;
tin.reportID = TIN;
tin.channel = channel;
tin.units = units;
PMD_SendOutputReport(hid, 0, (__u8*) &tin, sizeof(tin), FS_DELAY);
PMD_GetInputReport(hid, 0, (__u8*) &tin_val, sizeof(tin_val), FS_DELAY);
memcpy(value, tin_val.value, 4);
}
__u8 usbGetStatus_USBTEMP(int fd)
{
__u8 status;
PMD_SendOutputReport(fd, GET_STATUS, 0, 0, FS_DELAY);
PMD_GetInputReport(fd, GET_STATUS, (__u8 *) &status, sizeof(status), FS_DELAY);
return status;
}
/* reads digital bit */
void usbDInBit_USBTEMP(int fd, __u8 bit_num, __u8* value)
{
__u8 cmd[1];
cmd[0] = bit_num;
PMD_SendOutputReport(fd, DBIT_IN, cmd, sizeof(cmd), FS_DELAY);
PMD_GetInputReport(fd, DBIT_IN, value, sizeof(*value), FS_DELAY);
return;
}
__u8 usbGetStatus_USBTEMP(HIDInterface* hid)
{
struct t_statusReport {
__u8 reportID;
__u8 status;
} statusReport;
statusReport.reportID = GET_STATUS;
PMD_SendOutputReport(hid, 0, &statusReport.reportID, 1, FS_DELAY);
PMD_GetInputReport(hid, 0, (__u8*) &statusReport, sizeof(statusReport), FS_DELAY);
return statusReport.status;
}
void usbTinScan_USBTEMP(int fd, __u8 start_chan, __u8 end_chan, __u8 units, float value[])
{
int nchan;
__u8 cmd[3];
nchan = (end_chan - start_chan + 1);
cmd[0] = start_chan; // the first channel to return 0-7
cmd[1] = end_chan; // the last channel to return 0-7
cmd[2] = units; // 0 - temperature, 1 - raw measurement
PMD_SendOutputReport(fd, TIN_SCAN, cmd, sizeof(cmd), FS_DELAY);
PMD_GetInputReport(fd, TIN_SCAN, (__u8*) value, nchan*sizeof(float), FS_DELAY);
}
__u8 usbGetBurnoutStatus_USBTEMP(int fd, __u8 mask)
{
/*
This command returns the status of burnout detection for thermocouple channels. The
return value is a bitmap indicating the burnout detection status for all 8 channels.
Individual bits will be set if an open circuit has been detected on that channel. The
bits will be cleared after the call using the mask that is passed as a parameter. If
a bit is set, the corresponding bit in the status will be left at its current value.
*/
__u8 status;
PMD_SendOutputReport(fd, GET_BURNOUT_STATUS, 0, 0, FS_DELAY);
PMD_GetInputReport(fd, GET_BURNOUT_STATUS, &status, sizeof(status), FS_DELAY);
return (status & mask);
}
void usbReadMemory_USBTEMP(int fd, __u16 address, __u8 type, __u8 count, __u8 *memory)
{
struct t_arg {
__u16 address;
__u8 type; // 0 = main microcontroller 1 = isolated microcontroller
__u8 count;
} arg;
if ( count > 62 && type == 0) count = 62; // 62 bytes max for main microcontroller
if ( count > 60 && type == 1) count = 60; // 60 bytes max for isolated microcontroller
arg.type = type;
arg.address = address;
arg.count = count;
PMD_SendOutputReport(fd, MEM_READ, (__u8 *) &arg, sizeof(arg), FS_DELAY);
PMD_GetInputReport(fd, MEM_READ, memory, count, FS_DELAY);
}
int usbReadCode_USBTEMP(int fd, __u32 address, __u8 count, __u8 data[])
{
struct t_arg {
__u8 address[3];
__u8 count;
} arg;
int bRead;
if ( count > 62 ) count = 62;
memcpy(&arg.address[0], &address, 3); // 24 bit address
arg.count = count;
PMD_SendOutputReport(fd, READ_CODE, (__u8 *) &arg, sizeof(arg), FS_DELAY);
bRead = PMD_GetInputReport(fd, READ_CODE, data, count, FS_DELAY);
return bRead;
}
void usbTin_USBTEMP(int fd, __u8 channel, __u8 units, float *value)
{
/*
This command reads the value from the specified input channel. The return
value is a 32-bit floating point value in the units configured fro the
channel. CJC readings will always be in Celsius.
*/
__u8 cmd[2];
cmd[0] = channel; // 0 - 7
cmd[1] = units; // 0 - temperature, 1 - raw measurement
PMD_SendOutputReport(fd, TIN, cmd, sizeof(cmd), FS_DELAY);
PMD_GetInputReport(fd, TIN, (__u8*) value, sizeof(float), FS_DELAY);
}
void usbGetItem_USBTEMP(int fd, __u8 item, __u8 subitem, void *value)
{
int size;
__u8 cmd[2];
cmd[0] = item;
cmd[1] = subitem;
switch (subitem) {
case SENSOR_TYPE:
case CONNECTION_TYPE:
case FILTER_RATE:
case EXCITATION:
case CH_0_TC:
case CH_1_TC:
case CH_0_GAIN:
case CH_1_GAIN:
size = 1;
break;
case VREF:
case I_value_0:
case I_value_1:
case I_value_2:
case V_value_0:
case V_value_1:
case V_value_2:
case CH_0_COEF_0:
case CH_1_COEF_0:
case CH_0_COEF_1:
case CH_1_COEF_1:
case CH_0_COEF_2:
case CH_1_COEF_2:
case CH_0_COEF_3:
case CH_1_COEF_3:
size = 4;
break;
default:
printf("Error usbGetItem_USBTEMP: subitem = %#x unknown\n", subitem);
return;
}
PMD_SendOutputReport(fd, GET_ITEM, cmd, sizeof(cmd), FS_DELAY);
PMD_GetInputReport(fd, GET_ITEM, value, size, FS_DELAY);
}
__u8 usbGetBurnoutStatus_USBTEMP(HIDInterface* hid, __u8 mask)
{
/*
This command returns the status of burnout detection for thermocouple channels. The
return value is a bitmap indicating the burnout detection status for all 8 channels.
Individual bits will be set if an open circuit has been detected on that channel. The
bits will be cleared after the call using the mask that is passed as a parameter. If
a bit is set, the corresponding bit in the status will be left at its current value.
*/
struct t_burnoutStatus {
__u8 reportID;
__u8 status;
} burnoutStatus;
burnoutStatus.reportID = GET_BURNOUT_STATUS;
PMD_SendOutputReport(hid, 0, (__u8 *) &burnoutStatus, 1, FS_DELAY);
PMD_GetInputReport(hid, 0, (__u8 *) &burnoutStatus, sizeof(burnoutStatus), FS_DELAY);
return (burnoutStatus.status & mask);
}
